Bluetooth refers a wireless technology, tools
that standard for exchanging data over short distances (using short- wavelength
radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile
devices, by creating personal area networks (PANs) with high levels of
security.
Bluetooth Created by the telecom vendor Ericsson
in 1994,
It was at first conceived as a wireless
alternative to RS-232 data cables. It can connect a number of devices,
overcoming problems of synchronization.
Advantages:
1. Wireless
2. Bluetooth is actually inexpensive
3. Bluetooth is automatic
4. Standardized protocol
5. Low interference
6.Sharing voice and data
Disadvantages:
1. Need more battery power.
2. Using Bluetooth internet sometimes connection
may run very slow.
3. Data transfer rate are very slow then the
infrared.
4. It is not very secure.
5.Fairly Expensive
